the year ended December 31, 2019 To Director and Manager the Stock Exchange of Thailand According to the Board of Directors’ Meeting No.2/ 2 0 2 0 of DOD Biotech Public Company Limited ( “ the Company

658,411 627,006 31,405 5.01 Gross profit 227,598 229,555 (1,957) (0.85) Net profit 24,017 46,410 (22,393) (48.25) Gross profit margin (%) 33.73 34.46 (0.73) (2.12) Net profit margin (%) 3.50 6.87 (3.38

November 12, 2017 Subject: Management Discussion and Analysis For the three-month period ended September 30, 2017 To: The President, The Stock Exchange of Thailand Home Pottery Public Company Limited

: President The Stock Exchange of Thailand CH. Karnchang Public Company Limited (“the Company”) and its subsidiaries would like to clarify the consolidated operating result and financial position for the year

หนังสือแสดงการรับทราบความผิด 13 May 2019 Subject : Management Discussion and Analysis of the first quarter 2019 ended 31 March 2019 Attn. : Director and Manager The Stock Exchange of Thailand Encls

SBN 007/2019 May 14, 2019 Subject : Operating Result for the first quarter of 2019 To : The Managing Director, The Stock Exchange of Thailand Sabina Public Co.,Ltd. Would like to clarify the

Justification_E_1-61 NO. AC. 002/2018 15 May 2018 Subject: Clarification of changes in operating performance of more than 20% To: The President of the Stock Exchange of Thailand M. K. Real Estate

Attention: President The Stock Exchange of Thailand CH. Karnchang Public Company Limited (“the Company”) and its subsidiaries would like to clarify the consolidated operating result and financial position for

October 3, 2019 Re: Clarification of the operating results of company and its subsidiaries for the six month periods ended June 30, 2018 To: President The Stock Exchange of Thailand K.C. Property

, 2019 Subject Explanation and analysis of Management for second quarter 2019 Attention Directors and manager The Stock Exchange of Thailand Inter pharma Public Company Limited (“the Company”) would like